Cita APA (7a ed.)

Nachmias, D. (1980). The Practice of policy evaluation. St. Martin's Press.

Cita Chicago Style (17a ed.)

Nachmias, David. The Practice of Policy Evaluation. New York: St. Martin's Press, 1980.

Cita MLA (9a ed.)

Nachmias, David. The Practice of Policy Evaluation. St. Martin's Press, 1980.